If you know of other links that you think should be included, pleasesend an e-mail.  If yourconfession is not yet represented, don't worry - it will be eventually.

Sites of Russian religious organizations and publications (in alphabetical order, by confession).
 

Catholic

Catholic.ru
http://www.catholic.ru/
http://www.catholic.ru/main/russ.html    (lots of links to other sites)

Catholic Church in Russia
http://www.chat.ru/~catholic/

The Catholic Church in the Internet
http://xray.sai.msu.ru/~darja/relig/

Islamic

Islam in Russia
http://www.islam.ru/    (English site doesn't work)

Radio Islam
http://www.abbc.com/russ/index.html

Islam City Online
http://islam.lemur.ru/index.shtml

Islamland
http://www.members.tripod.com/islamland/rindex.htm
 

Evrei.ru
http://www.evrei.ru/    (under construction)

Aish HaTorah Jewish Education Center
http://www.jew.ru/

Global Jewish Online Center
http://www.jewish.ru/

Federation of Jewish Communities of the CIS (contains links to other Jewish sites and organizations)
http://www.fjc.ru/

Russian Jewish Congress
http://www.rjc.ru/    (server can't be accessed)
 

Church of Christ the Savior
http://www.xram.ru/

Official site of Russian Orthodox Church
http://www.russian-orthodox-church.org.ru/

Russian Orthodox Church Outside Russia
http://www.synod.com/

Pravoslavie 2000
http://www.pravoslavie.ru/

Society, Religion, Culture
http://www.ork.ru/

Orthodox Christianity in Russia
http://www.or.ru

Russian Orthodoxy
http://www.ortho-rus.ru

Official server of the Church of Christ the Savior
http://www.xxc.ru

Orthodox Church in America
http://www.oca.org/

St. Philaret Orthodox Christian Institute in Moscow
http://www.glasnet.ru/~stphilaret/

Russian Christian Page
http://www.bethel.edu/seminary_academics/international/russian/russian4.htm

Other Religious Links (non-denominational or ecumenical)

Christian Church Public Radio Station
http://www.kanal.narod.ru/

The Transnational Institute's Russia-Religion Page
http://www.valley.net/%7Etransnat/russrel.html